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Mix A091411 and its differences.
0

%I #8 Mar 30 2012 18:52:03

%S 1,2,3,6,9,10,19,28,47,51,98,122,220,221,441,444,885,886,1771,1780,

%T 3551,3555,7106,7173,14279,14280,28559,28562,57121,57122,114243,

%U 114252,228495,228499,456994,457018,914012,914013,1828025,1828028,3656053,3656054,7312107,7312116

%N Mix A091411 and its differences.

%C First differences: 1, 1, 3, 3, 1, 9, 9, 19, 4, 47, ....

%F a(2n) = A091441(n+1). a(2n-1) = A091441(n+1)-A091441(n).

%K nonn,less

%O 0,2

%A _Paul Curtz_, Feb 25 2009